/l/ Kllocalories . Digestibility losses reduce total energy from protein, fat and carbohydrates 

 by a small amount, and loss In the urine of incon^jletely oxidized nitrogen products further 

 i-educes energy available from protein. Energy values have been calculated by using these fac- 

 tors for CsLLories per gram protein, fat, and carbohydrate, respectively; from milk, 4.27, 8.79, 

 and 3.87; for meat and fish, k.2'J, 9.02, and 5.87; from eggs, k.%, 9.02, and 5.68. /2/ Values 

 rounded to nearest whole number. 



108 



